在OptiXPTN中,支持如下哪种MPLSFRR保护方式?()A、1+N backupB、Facility backupC、1+1 backupD、one to one backup

第1题：

第2题：

Which two are correct steps in taking a binary backup of MyISAM tables?（）

• A、Always stop the server prior to the backup
• B、Stop the server or lock the tables prior to the backup
• C、Stop the server or lock the databases prior to the backup
• D、Make a copy of the .frm, .myd, and the .myi files
• E、Make a copy of the binary log and tablespace files

正确答案:B,D

第3题：

Which one of the statements below correctly describes the Virtual Router Redundancy Protocol  （VRRP），  which is being used in the Company network to provide redundancy？（）

• A、 A VRRP group has one active and one or more standby virtual routers.
• B、 A VRRP group has one master and one or more backup virtual routers.
• C、 A VRRP group has one master and one redundant virtual router.
• D、 None of the other alternatives apply

正确答案:B

第4题：

In your database， online redo log files are multiplexed and one of the members in a group is lost due to media failure？ How would you recover the lost redo log member？（）

• A、 import the database from the last export
• B、 restore all the members in the group from the last backup
• C、 drop the lost member from the database and then add a new member to the group
• D、 restore all the database files from the backup and then perform a complete recovery
• E、 restore all the database files from the backup and then perform an incomplete recovery

正确答案:C

第5题：

Which of the following is a valid way of putting a tablespace named DAVE_TBS into hot backup mode？（）  

• A、 alter tablespace DAVE_TBS backup mode
• B、 alter tablespace DAVE_TBS start backup
• C、 alter tablespace DAVE_TBS begin backup
• D、 alter tablespace DAVE_TBS backup begin
• E、 alter tablespace DAVE_TBS backup

正确答案:C

第6题：

Which type of backup contains only the blocks that have changed since the last level 0 incremental backup?（）

• A、a cumulative level 1 backup
• B、a differential level 1 backup
• C、a full backup
• D、a whole backup

正确答案:A

第7题：

Which command would you use to determine what database backups are currently available for restore？（）  

• A、 list database backup
• B、 report database backup
• C、 list backup of database
• D、 list summary backup
• E、 report backup of database

正确答案:C

第8题：

While performing the backup of the flash recovery area, you notice that one of the archived redo log files is missing. You have multiple destinations for archived redo log files. What implications does it have on the backup of the flash recovery area?（）

• A、The backup fails because one of the archived redo log files is missing. 
• B、The backup succeeds but it would be without the missing archived log. 
• C、During backup, you are prompted for the alternative destination for the missing archived redo log file. 
• D、The backup succeeds because it fails over to one of the alternative archived redo log destinations. 

正确答案:D

第9题：

Your network consists of a single Active Directory domain. You have a server named Server1. Server1 has only one hard disk drive. You run a full backup at 02:00 every Monday. You run an incremental backup at 02:00 every Tuesday to Sunday. You run an Automated System Recovery (ASR) backup every day at 13:00. Server1’s hard disk drive fails on Wednesday at 15:00. You need to recover Server1 to its latest configuration by using the minimum amount of administrative effort. What should you restore? （）

• A、Monday’s full backup, then Tuesday’s incremental backup, and then Wednesday’s incremental backup
• B、Monday’s full backup and then Wednesday’s ASR backup
• C、Monday’s full backup and then Wednesday’s incremental backup
• D、Wednesday’s ASR backup

正确答案:D

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第14题：

ZXMP M600的保护方式不支持下面哪种？（）

• A、二纤双向共享通道保护
• B、线路侧光通道1+1保护
• C、链路光复用段1+1保护
• D、客户侧光通道1+1保护

正确答案:A

第15题：

What does it mean if a backup is expired？（）  

• A、 The backup set has exceeded the retention criteria set in RMAN and is eligible for removal. 
• B、 The backup set has one or more invalid blocks in it and is not usable for recovery.
• C、 The backup set contains one or more tablespaces no longer in the database.
• D、 The backup set contains one or more missing backup set pieces.
• E、 The backup set is from a previous version of RMAN and was not upgraded.

正确答案:D

第16题：

You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode and you want to perform a backup. Which type of backup would be appropriate in this case？ （）

• A、Hot backup
• B、Online backup
• C、consistent backup
• D、incremental backup
• E、inconsistent backup

正确答案:C

第17题：

Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower？（）  

• A、 Differential incremental backup
• B、 Different incremental backup
• C、 Cumulative backup
• D、 Cumulative incremental backup

正确答案:A

第18题：

Compressed backups work with which of the following commands？（）

• A、 copy as backup
• B、 backup as copy
• C、 backup
• D、 copy

正确答案:C

第19题：

Which two statements are true about encrypting RMAN backup？（）

• A、 The transparent encryption of backups uses the encryption wallet
• B、 The database uses the same encryption key for every encrypted backup
• C、 The password encryption of backups only uses the password while creating and restoring backup
• D、 If transparent encryption is configured， you cannot use the SET ENCRYPTION BY PASSWORD  command to make password-protected backups

正确答案:A,C

第20题：

You want to put a specific tablespace called MY_DATA in hot backup mode so you can back it up. What command would you use？（）  

• A、 alter tablespace MY_DATA begin backup
• B、 alter tablespace MY_DATA start backup
• C、 alter tablespace MY_DATA backup begin
• D、 alter MY_DATA begin backup
• E、 You cannot back up individual tablespaces

正确答案:A

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